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Psychological correlates of nonspecific electrodermal responses

Dindar S. Bari
Dindar S. Bari
   | 26 dic 2019
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Publicado en línea: 26 dic 2019
Páginas: 65 - 72
Recibido: 02 oct 2019
DOI: https://doi.org/10.2478/joeb-2019-0010
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© 2019 Bari., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig.1

Time schedule of the experiment.
Time schedule of the experiment.

Fig. 2

Distribution of NS.SCRs frequency for the total sample (n = 50): (A) first resting period, and (B) second resting period.
Distribution of NS.SCRs frequency for the total sample (n = 50): (A) first resting period, and (B) second resting period.

Fig. 3

Distribution of NS.SPRs-frequency for the total sample (n = 50): (A) first resting period, and (B) second resting period.
Distribution of NS.SPRs-frequency for the total sample (n = 50): (A) first resting period, and (B) second resting period.

Fig. 4

Box-plot with medians, quartiles and the min and max as whiskers shows average value of NS.SCRs_Amp at relaxation periods for all participants (n=50). **p<0.001
Box-plot with medians, quartiles and the min and max as whiskers shows average value of NS.SCRs_Amp at relaxation periods for all participants (n=50). **p<0.001

Fig. 5

Box-plot with medians, quartiles and the min and max as whiskers shows average value of NS.SPRs_Amp at relaxation periods for all participants (n=50). **p<0.005
Box-plot with medians, quartiles and the min and max as whiskers shows average value of NS.SPRs_Amp at relaxation periods for all participants (n=50). **p<0.005

Fig. 6

Box-plot with medians, quartiles and the min and max as whiskers shows average value of NS.SCRs_Tris at relaxation periods for all participants (n=50). **p<0.005
Box-plot with medians, quartiles and the min and max as whiskers shows average value of NS.SCRs_Tris at relaxation periods for all participants (n=50). **p<0.005

Fig. 7

Box-plot with medians, quartiles and the min and max as whiskers shows average value of SPRET at relaxation periods for all participants (n=50). **p<0.001
Box-plot with medians, quartiles and the min and max as whiskers shows average value of SPRET at relaxation periods for all participants (n=50). **p<0.001

Fig. 8

SCRs, SSRs, and SPRs recorded from a test subjects, demonstrating stable waveform of SSRs in response to nonspecific stimuli.
SCRs, SSRs, and SPRs recorded from a test subjects, demonstrating stable waveform of SSRs in response to nonspecific stimuli.

Overview of extracted parameters from the EDA responses that were used in the data analyses.

ParameterDescriptionUnit
NS.SCRs_AmpAmplitude of the nonspecific skin conductance responsesμS
NS.SPRs_AmpAmplitude of the nonspecific skin potential responsesmV
SPRETTurning point of the NS.SPRs relative to the NS.SCRs peak%
NS.SCRs_TriseTime from onset of NS.SCRs to peak NS.SCRsS

Frequency of subjects NS.SCRs and NS.SPRs responding in relaxation periods

NS.SCRsNS.SPRs
1st period2nd period1st period2nd period
Subject±3.37±3.83±3.34±3.75
16868
27676
31015914
44332
57474
65252
7910910
88484
96969
102041
11116116
12813813
138787
147979
157272
163535
173333
183131
193232
205757
216868
22107107
233131
248787
253333
264546
27119119
282125
2915141516
307878
31108108
322626
335555
341002
3514171417
362626
375252
3811101110
395656
408686
417575
422535
432121
444848
453535
465555
476565
488888
4911111111
501212

Intraclass correlation coefficient (ICC) for the frequency of NS. SCRs and NS.SPRs obtained from the two relaxation periods

Intraclass95% CI
ParameterscorrelationLowerUpper
NS.SCRs0.773a0.6320.865
0.872b0.7740.928
NS.SPRs0.755a0.6040.853
0.860b0.7530.921
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Engineering, Bioengineering and Biomedical Engineering, Biomedical Electronics, Life Sciences, Biophysics, Medicine, Biomedical Engineering, Physics, Spectroscopy and Metrology
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